New figures show that less than a million people now visit a church every week but despite falling attendances nationally one church in Sussex isn't just thriving, but expanding.
Brighton based Emmanuel Church has grown so much it now serves four locations in the city, with a fifth opening at Easter.
It's even expanding internationally, opening churches in Berlin, Amsterdam and Ottowa.
And its performing Christmas carols a way you may never have heard them before. Andy Dickenson reports and speaks to Senior Pastor Joel Virgo.